Effect of antiviral drugs on gene expression in the control of CMV infection in passion fruit
Ontology highlight
ABSTRACT:
ORGANISM(S): Passiflora edulis
PROVIDER: GSE220712 | GEO | 2022/12/17
REPOSITORIES: GEO
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Project description:Effect of antiviral drugs on gene expression in the control of CMV infection in passion fruit
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Project description:We conducted immune- and RNA-sequencing of HLA-A24-restricted CMVpp65-specific CTLs to better understand the immune reconstitution of CMV-CTLs after allo-HCT. To the best of our knowledge, this is the first report on the features of TCRβ-CDR3, diversity, and GEP of HLA-A24 CMV-CTLs according to the CMV-reactivation pattern among recipients after allo-HCT. In addition, we further sought to demonstrate homogeneity or heterogeneity according to individual CTL clones using single-cell RNA-sequencing technology.
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Project description:Reconstitution of cytomegalovirus (CMV)-specific immunity following transplant remains a primary clinical objective to prevent CMV disease, and adoptive immunotherapy of CMV-specific T cells can be an effective therapeutic approach. Due to the persistence of CMV, most CMV-specific CD8+ T cells become terminally differentiated effector cells (TEFF). However, a minor subset retains a memory phenotype (TM). Interestingly, recent studies suggest that CMV-specific CD8+ T cells with different phenotypes may have different abilities to reconstitute sustained immunity following transfer. The immunology of human CMV (HCMV) infections is reflected in the mouse model of MCMV infection. We found that HCMV- and MCMV-specific T cells displayed shared genetic programs, validating the MCMV model for studies of CMV-specific T cells in vivo. After transfer, the proliferative capacity of MCMV-specific TM cells was vastly superior to TEFF cells. Strikingly, TM cells expanded and established sustained and diverse T cell populations even after multiple challenges. Although both TEFF and TM cells could protect Rag-/- mice, only TM cells could consistently survive after transfer into immune replete, latently infected recipients and respond if recipient immunity was lost. These data show that CMV-specific TM cells retain memory function during persistent infection and can re-establish CMV immunity when necessary.
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Project description:Fleshy fruit help in reproduction by developing structures that, reached a given maturity stage, become attractive to animals that, feeding on them, spread the contained seeds in the environment. According to the species, seed development can be at the same pace with the pericarp, or be ready for dispersion before or after the ripening of the fruit. In peach, seed and mesocarp maturation are on pace in mid-season cultivars, while in early ripening ones the seed is not mature at ripening, with the endosperm not yet fully reabsorbed. On the contrary, slow ripening genotypes show the opposite, i.e. a mature seed in a fruit unable to fully ripen. To gain insights on the molecular control of peach fruit development and ripening and on the interactions between the seed and the mesocarp, genome wide transcriptional changes of the two fruit parts have been investigated throughout development from flower anthesis up to commercial ripening in the mid-season cultivar Fantasia. Besides flower, six time points encompassing the four fruit developmental stages were investigated.
2017-11-30 | GSE71561 | GEO
Project description:We conducted immune- and RNA-sequencing of HLA-A24-restricted CMVpp65-specific CTLs to better understand the immune reconstitution of CMV-CTLs after allo-HCT. To the best of our knowledge, this is the first report on the features of TCRβ-CDR3, diversity, and GEP of HLA-A24 CMV-CTLs according to the CMV-reactivation pattern among recipients after allo-HCT. In addition, we further sought to demonstrate homogeneity or heterogeneity according to individual CTL clones using single-cell RNA-sequencing technology.
2021-06-28 | GSE179009 | GEO
Project description:We compared CD8 T cells specific for a CMV epitope (pp65495-503) and an influenza A virus (IAV) epitope (M158-66) of the same healthy adults and identified genes whose expression are altered in CMV-specific compared to IAV-specific TCM cells
2022-11-21 | GSE171246 | GEO
Project description:We compared CD8 TCM cells specific for a CMV epitope (pp65495-503) and an influenza A virus (IAV) epitope (M158-66) of the same healthy adults and identified genes whose expression are altered in CMV-specific compared to IAV-specific TCM cells.
2022-11-30 | GSE200258 | GEO
Project description:Use of Information Dependent Acquisition mass spectra and Sequential Window Acquisition of all Theoretical fragment-ion mass spectra for fruit juices metabolomics and authentication. LC-MS based untargeted metabolomics are the main untargeted methods used for juice metabolomics to solve the authentication problem faced in fruit juice industry. Objectives To evaluate the performances of different untargeted metabolomics methods on fruit juices metabolomics and authentication, orange and apple fruit juices were selected for this study. Methods IDA-MS and SWATH-MS based on UHPLC-QTOF were used for the metabolomics and authenticity determination of apple and orange juices, including the lab-made samples of oranges (Citrus sinensis Osb.) from Jiangxi Province, apples (Malus domestica Borkh) from Shandong Province, and different brands of commercial orange and apple juice samples from markets. Results IDA-MS and SWATH-MS could both acquire numerous MS1 features and MS2 information of juice components, while SWATH-MS excels at the acquisition rate of MS2. Distinctive separation between authentic orange juice and not authentic orange juice could be seen from principal component analysis and hierarchical clustering analysis based on both IDA-MS and SWATH-MS. After analysis of variance, fold change analysis and orthogonal projection to latent structures discriminant mode, 53 and 46 potential markers were defined by IDA-MS and SWATH-MS (with 77.4% and 100% MS2 acquisition rate) separately. Subsequently, these potential markers were putatively annotated using general chemical databases with 6 more annotated by SWATH-MS. Furthermore, 7 of the potential markers, l-asparagine, umbelliferone, glucosamine, phlorin, epicatechin, phytosphingosine and chlorogenic acid, were identified with standards. For the consideration of model simplicity, two determined makers (umbelliferone and chlorogenic acid) were selected to construct the DD-SIMCA model in commercial samples because of their good correlation with apple adulteration proportion, and the sensitivity and specificity of the model were 100% and 95%. Conclusion SWATH-MS excels at the MS2 acquisition of juice components and potential markers. This study provides an overall performance comparison between IDA-MS and SWATH-MS, and guidance for the method selection on fruit juice metabolomics and juice authenticity determination. Two of the potential markers determined, umbelliferone and chlorogenic acid, could be used as apple juice indicators in orange juice.
2020-05-08 | ST001374 | MetabolomicsWorkbench